Home / 351,019,675.30-526,529,512.95-169,621,147.30

Finding the Fourth Proportional to 351,019,675.30, 526,529,512.95 and 169,621,147.30

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Solution

The fourth proportional to 351,019,675.30, 526,529,512.95 and 169,621,147.30 is: 254,431,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,019,675.30 : 526,529,512.95 = 169,621,147.30 : x
  2. Step 2: Convert to fraction form
    351,019,675.30/526,529,512.95 = 169,621,147.30/x
  3. Step 3: Cross multiply
    351,019,675.30x = 526,529,512.95 × 169,621,147.30
  4. Step 4: Simplify right side
    351,019,675.30x = 89,310,540,073,889,216
  5. Step 5: Solve for x
    x = 89,310,540,073,889,216/351,019,675.30
  6. Step 6: Final answer
    x = 254,431,720.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.